Sync RA feature flags (#5678)
Sync RA feature flags (#5678)

These flags are enabled in both prod and staging, so let's enable them
in our integration tests.
jcjones/boulder,letsencrypt/boulder,jsha/boulder,jsha/boulder,jsha/boulder,letsencrypt/boulder,letsencrypt/boulder,jcjones/boulder,jcjones/boulder,jcjones/boulder